Home / 101,284-221,638

Finding the Third Proportional to 101,284 and 221,638

Calculator

Solution

The third proportional to 101,284 and 221,638 is: 485,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,284 : 221,638 = 221,638 : x
  2. Step 2: Convert to fraction form
    101,284/221,638 = 221,638/x
  3. Step 3: Cross multiply
    101,284x = 221,638 × 221,638
  4. Step 4: Simplify right side
    101,284x = 49,123,403,044
  5. Step 5: Solve for x
    x = 49,123,403,044/101,284
  6. Step 6: Final answer
    x = 485,006.55

Related Problems

Find third proportional to 50,642 and 110,819
Half scale
Find third proportional to 202,568 and 443,276
Double scale
Find third proportional to 101,286 and 221,642
Similar ratio
Find third proportional to 151,926 and 332,457
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.